C#: Add change-note.

michaelnebel · michaelnebel · commit bc4ff598c30a · 2025-06-03T13:25:02.000+02:00
diff --git a/csharp/ql/src/change-notes/2025-06-03-dereferece-extension-method.md b/csharp/ql/src/change-notes/2025-06-03-dereferece-extension-method.md
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+---
+category: minorAnalysis
+---
+* The queries `cs/dereferenced-value-is-always-null` and `cs/dereferenced-value-may-be-null` have been improved to reduce false positives. The queries no longer assume that expressions are dereferenced when passed as the receiver (`this` parameter) to extension methods where that parameter is a nullable type.

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 +---
 +category: minorAnalysis
 +---
 +* The queries `cs/dereferenced-value-is-always-null` and `cs/dereferenced-value-may-be-null` have been improved to reduce false positives. The queries no longer assume that expressions are dereferenced when passed as the receiver (`this` parameter) to extension methods where that parameter is a nullable type.